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首页> 外文期刊>Journal of Materials Engineering and Performance >Influence of Prior Deformation on the Sensitization Kinetics of Nitrogen Alloyed 316L Stainless Steels
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Influence of Prior Deformation on the Sensitization Kinetics of Nitrogen Alloyed 316L Stainless Steels

机译：先验变形对氮合金316L不锈钢敏化动力学的影响

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摘要

This paper presents the influence of prior deformation on the sensitization kinetics of nitrogen-alloyed 316L stainless steels. Systematic investigations were carried out for two varieties of 316L SS containing (i) 0.025% C and 0.14% N; (ii) 0.033% C and 0.11% N. Using ASTM standard A262 Practice A and E tests, time-temperature-sensitization diagrams were constructed for as-received as well as 5-25% cold-worked materials. Using these TTS diagrams, critical cooling rates (CCR) above which there is no risk of sensitization were calculated. TTS diagrams established for these two stainless steels will be useful for avoiding time-temperature combinations that may result in sensitization and susceptibility to IGC. These CCR obtained can be used to optimize heating rates/cooling rates to be followed which will not lead to sensitization during solution annealing, stress-relieving, and dimensional stabilization of critical components for fast breeder reactors.
机译：本文介绍了先验变形对氮合金316L不锈钢敏化动力学的影响。对两个含（i）0.025％C和0.14％N的316L SS进行了系统研究。 （ii）0.033％的C和0.11％的N。使用ASTM标准A262惯例A和E测试，为收到的以及5-25％的冷加工材料制作了时间-温度敏化图。使用这些TTS图，可以计算出没有致敏风险的临界冷却速率（CCR）。为这两种不锈钢建立的TTS图对于避免可能导致对IGC的敏感性和敏感性的时间-温度组合非常有用。获得的这些CCR可用于优化要遵循的加热速率/冷却速率，这不会导致固溶退火，应力消除和快速增殖反应堆关键部件的尺寸稳定期间的敏化。

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